/*先把边框设为0*/
* {
    padding: 0;
    margin: 0;
}
/*来一个背景色*/
body {
    height: 100vh;
    background-image: linear-gradient(#2e8f45, #b29537);
}
/*把东西放到中间去*/
div.waikuang {
    margin: 0 auto;/*水平居中*/
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    /*垂直居中*/
    /*外框加一个阴影*/
    background-color: white;
    width: 420px;
    height: 150px;
    border-radius: 40px;
    box-shadow: 20px 20px 20px #3b2626
}
/*主图处理*/
img.picture {
    width: 100px;
    height: auto;
    /*把主图片变小*/
    position: relative;
    left: 38px;
    top: 24px;
    /*把图片改到左边中间*/
    border-radius: 50%;
}
/*进度条处理*/
div.jindutiao {
    position: relative;
    left: 160px;
    top: -75px;
    width: 240px;
}
meter {
    width: 155px;
    height: 20px;
}
div.anniu {
    position: relative;
    left: 160px;
    top: -55px;
    /*上面是调整位置*/
    width: 250px;
}
button {
    border: none;
    padding: 14px 17px;
    text-align: center;
    display: inline-block;
    font-size: 13px;
    border-radius: 50%;
    cursor: pointer;
}
button:hover{
    color: #2e8f45;
    font-size: 18px;
}
